'Three-sided' definitions:
Definition of 'three-sided'
From: WordNet
adjective
Having three sides; "a trilateral figure" [syn: trilateral, triangular, three-sided]
Definition of 'Three-sided'
From: GCIDE
- Three-sided \Three"-sid`ed\, a. Having three sides, especially three plane sides; as, a three-sided stem, leaf, petiole, peduncle, scape, or pericarp. [1913 Webster]